Joakim Gustafsson

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In this paper we extend PMON a logic for reasoning about action and change with causal rules which are used to specify the indirect e ects of actions The extension called PMON RCs has the advantage of us ing explicit time includes actions with dura tions nondeterministic actions allows par tial speci cation of the timing and order of actions and has been(More)
OBJECTIVES To study the effects of biofeedback on voice sound level (SL) in subjects with reduced voice SL, secondary to Parkinson disease (PD), using a portable voice accumulator. STUDY DESIGN Prospective intervention study. METHODS Voice SL, phonation time, and level of background noise were registered with a portable voice accumulator during three(More)
OBJECTIVES To investigate how the direct biofeedback on vocal loudness administered with a portable voice accumulator (VoxLog) should be configured, to facilitate an optimal learning outcome for individuals with Parkinson's disease (PD), on the basis of principles of motor learning. STUDY DESIGN Methodologic development in an experimental study. METHODS(More)